Our friends at F5J-USA wrote this excellent F5J Primer and also did a great job putting together these F5J Tutorial and an F5J-ALES Comparison Strategy Outline from the Sacramento Valley Soaring Society.
Our friends at F5J-USA wrote this excellent F5J Primer and also did a great job putting together these F5J Tutorial and an F5J-ALES Comparison Strategy Outline from the Sacramento Valley Soaring Society.